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Molodets [167]
3 years ago
13

Which of the following is true of a heterogeneous mixture?

Chemistry
2 answers:
tia_tia [17]3 years ago
8 0
A, a heterogeneous mixture is a mixture where all the particles are not made up of one uniform composition. you can distinguish the different particles
Leno4ka [110]3 years ago
3 0

Answer: Option (a) is the correct answer.

Explanation:

A heterogeneous mixture is defined as the mixture in which distribution of solvent particles is uneven throughout the solution.

For example, a mixture of sand and water is a heterogeneous mixture.

So, when we take different samples for the same heterogeneous mixture then there will be different composition of solute particles in each of them.

On the other hand, in a homogeneous solution there will be even distribution of solute particles into the solvent. Each sample of a homogeneous mixture will contain same composition of solute particles.

Thus, we can conclude that the statement different samples may not be exactly alike,  is true of a heterogeneous mixture.

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15 grams of sodium reacts with a certain amount of chlorine to yield 37 grams of sodium chloride, as shown below.
ale4655 [162]

Answer: 22g of chlorine would be needed to carry out this synthesis reaction

Explanation:

A synthesis reaction is one in which two or more than two elements combine together to forma single product.

Na+Cl\rightarrow NaCl

The atoms present in the reactants are found on the product side. According to the law of conservation of mass, the number of atoms on both sides of the arrow must be same as the total mass must be conserved.

15 grams of sodium reacts with 22 grams of chlorine to yield 37 grams of sodium chloride. Thus 22g of chlorine would be needed to carry out this synthesis reaction.

4 0
3 years ago
10. An atom that has 13 protons and 13 electrons is a neutral aluminum (Al) atom. An atom that has 13 protons and 10 electrons i
kotegsom [21]

Answer:

An atom of Al which has 13 protons and 10 electrons is Al cation (Al⁺³)

Explanation:

An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.

All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron. In other words we can say that negative and positive charges are equal in magnitude and cancel the each other.

For example,

Al atom has 13 protons and 13 electrons. The number of positive and negative charge is equal thus it will be neutral atom.

While the atom of Al which have 13 proton and 10 electron is not neutral. The positive charge is greater than negative by 3. Which means 3 electrons are lose by Al atom and form cation "Al⁺³".

Thus an atom of Al which has 13 protons and 10 electrons is Al cation (Al⁺³)

3 0
3 years ago
What are the 4 things attached to the center carbon in all amino acids?
aev [14]
amino group
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single Hydrogen arom
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3 years ago
1. During primary ecological succession, the initial formation of soil helps establish —
Art [367]
To think the answer is grasses
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What property can be used to separate oil from milk?
Usimov [2.4K]

Answer:

Density oil will float

Explanation:

3 0
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